html {
    font-size: 10px;
    background:url(./assets/imgaes/1.jpg) bottom center;
    background-size: cover;
}
body,html {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.keys {
    display:flex;
    flex:1;
    min-height:100vh;
    align-items: center;
    justify-content: center;
}

.key {
    border:4px solid black;
    border-radius:5px;
    margin:1rem;
    font-size: 1.5rem;
    padding:1rem .5rem;
    transition:all .07s;
    width:100px;
    text-align: center;
    color:white;
    background:rgba(0,0,0,0.4);
    text-shadow:0 0 5px black;
}

.playing {
    transform:scale(1.1);
    border-color:#ffc600;
    box-shadow: 0 0 10px #ffc600;
}

kbd {
    display: block;
    font-size: 40px;
}

.sound {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color:#ffc600;
}
